<!--
 * @Description:It is troublesome to implement radio button group in the form. So it is extracted independently as a separate component
-->
<template>
  <RadioGroup
    v-bind="attrs"
    v-model:value="state"
    button-style="solid"
    @change="handleChange"
  >
    <template v-for="item in getOptions" :key="`${item.value}`">
      <RadioButton
        v-if="props.isBtn"
        :value="item.value"
        :disabled="item.disabled"
      >
        {{ item.label }}
      </RadioButton>
      <Radio v-else :value="item.value" :disabled="item.disabled">
        {{ item.label }}
      </Radio>
    </template>
  </RadioGroup>
</template>
<script lang="ts">
import {
  defineComponent,
  PropType,
  ref,
  watchEffect,
  computed,
  unref,
  watch,
} from 'vue'
import { Radio } from 'ant-design-vue'
import { isFunction, get, omit } from '@admin/utils'
import { useRuleFormItem } from '@/hooks/component/useFormItem'
import { useAttrs } from '@admin/use'
import { useI18n } from '@admin/locale'
type OptionsItem = {
  label: string
  value: string | number | boolean
  disabled?: boolean
}

export default defineComponent({
  name: 'ApiRadioGroup',
  components: {
    RadioGroup: Radio.Group,
    RadioButton: Radio.Button,
    Radio,
  },
  props: {
    api: {
      type: Function as PropType<
        (arg?: Recordable | string) => Promise<OptionsItem[]>
      >,
      default: null,
    },
    params: {
      type: [Object, String] as PropType<Recordable | string>,
      default: () => ({}),
    },
    value: {
      type: [String, Number, Boolean] as PropType<string | number | boolean>,
    },
    isBtn: {
      type: [Boolean] as PropType<boolean>,
      default: false,
    },
    numberToString: { type: Boolean },
    resultField: { type: String, default: '' },
    labelField: { type: String, default: 'label' },
    valueField: { type: String, default: 'value' },
    immediate: { type: Boolean, default: true },
  },
  emits: ['options-change', 'change'],
  setup(props, { emit }) {
    const options = ref<OptionsItem[]>([])
    const loading = ref(false)
    const isFirstLoad = ref(true)
    const emitData = ref<any[]>([])
    const attrs = useAttrs()
    const { t } = useI18n()
    // Embedded in the form, just use the hook binding to perform form verification
    const [state] = useRuleFormItem(props)

    // Processing options value
    const getOptions = computed(() => {
      const { labelField, valueField, numberToString } = props

      return unref(options).reduce((prev, next: Recordable) => {
        if (next) {
          const value = next[valueField]
          prev.push({
            label: next[labelField],
            value: numberToString ? `${value}` : value,
            ...omit(next, [labelField, valueField]),
          })
        }
        return prev
      }, [] as OptionsItem[])
    })

    watchEffect(() => {
      props.immediate && fetch()
    })

    watch(
      () => props.params,
      () => {
        !unref(isFirstLoad) && fetch()
      },
      { deep: true },
    )

    async function fetch() {
      const api = props.api
      if (!api || !isFunction(api)) return
      options.value = []
      try {
        loading.value = true
        const res = await api(props.params)
        if (Array.isArray(res)) {
          options.value = res
          emitChange()
          return
        }
        if (props.resultField) {
          options.value = get(res, props.resultField) || []
        }
        emitChange()
      } catch (error) {
        console.warn(error)
      } finally {
        loading.value = false
      }
    }

    function emitChange() {
      emit('options-change', unref(getOptions))
    }

    function handleChange(_, ...args) {
      emitData.value = args
    }

    return { state, getOptions, attrs, loading, t, handleChange, props }
  },
})
</script>
